Define evil practices​

Frequency: Evil is defined as the quality of being morally bad or something that causes harm or misfortune. An example of an evil is discrimination. ... Morally corrupt.

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.        

answer; /// i believe the correct answer is general act charters;